Analyst Insight: Next-day delivery is the new normal. And fulfillment windows are compressing even further as companies like Amazon continue to raise customer expectations. But companies wrestle with what level of service makes sense, and how to justify investments. It's not about making every process in the DC faster. It's a delicate balance of revenue gains and improved customer service against investment and operating costs. - Helgi Thor Leja, Industrial & Electrical Industry Leader, Fortna Inc.